This may have been a somewhat low-stakes Apple event for the evening before Halloween, but even if none of these new Macs are radically different, a new generation of M-series chips is nothing to sneeze at. The $1,299 iMac shows that Apple hasn’t totally forgotten about its all-in-one desktop (even if it continues to dash our hopes of getting another 27-inch model). The new $1,599 MacBook Pro 14 with M3, meanwhile, makes the laptop with the good ports more attainable (albeit, with less…